[Q] 3g connection problem - won't connect, setting corect (stock ICS) - Sony Ericsson Xperia Mini, Mini Pro, Xperia Pro, A

update: i couldn't connect but i just figured it out: phone won't connect without the "roaming data" setting enabled, even when I'm on its mother 3g network. weird, but it's their problem I assume, I'll just have to watch out near the borders.
worse is that phone allows to use some other operator's network (it's own reception sucks) but when I connect now it switches back to mother network
this wasn't the case on other phone (xperia x1, win mobile) where i could call and use internet with other operator's network on this same operator (play)
another issue is the phone stopped switching home screen to horizontal when turning it. it does in apps and when snapping the keyboard out. or it never was swithing home screen without the keyboard ?

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[Q] Xperia X10 Turns off when using internet through Carrier but not through WIFI.

Hello,
I have a strange Issue with my phone Xperia X10. When I use the Internet through the Carrier (3G) for several minutes, and the battery is less then ~80% the phone simply turns off unexpectedly for no reason. If I then try to turn on the phone it will immediately shut down again so quickly I dont even have time to unlock it.
I can use the phone fine, Including connecting to the Internet through WIFI, and I will not have the issue. I can also use the 3G Internet fine until I get to about 80% battery, then the phone will turn off. If I disable the Internet connection through the carrier before I get to 80% I can continue using the phone without problems and even browse the Internet through WIFI. If I connect to the 3G Internet with my battery on less the 80% the phone will Immediately shut down.
If I connect to 3G while the phone is charging I have no issues (The phone doesn't turn off).
Sometimes the battery can be lower and I will still have no issues. So far it seems the lowest possible value for the battery without having issues is 50%, but it is rare. Usually it turns off at around 80%.
I tried doing a full reset and reinstall through the SE PC companion, but it didn't help. I also tried installing a custom ROM and chose Wolfs TW Gingerbread but it didn't help and I still have the exact same issue.
I tried changing the "Preferred network mode" in the "Mobile Network Settings" (I have 3 options: "DSM/WCDMA preferred" / "WCDMA only" / "GSM only"), but that also didnt help.
I mainly need the phone to browse the Internet in places without WIFI, so I'm very disappointed with the Issue. If anyone has any suggestions it could help a lot.
Thank you.

[Q] No data connection after leaving WiFi range

Hello everybody,
I hope I can get my problem across:
I'm running my S2 on stock Android 4.04, not rooted.
After switching the phone on, I have access to the internet, and this is confirmed by the Edge/UMTS symbols witht the up/down arrows on the top of the screen.
As soon as I enter an area with a known WiFi connection (e.g. home ) the connection automatically switches over to WiFi.
Now for the problem:
After leaving home, the Edge/UMTS connection is not restored, I have to enter and leave flight mode automatically to get it back.
I had formerly installed Llama, but have removed it since, because I thought the problem was related to the program - behaviour has not changed.
I'd like the phone to switch automatically to the best available data connection.
Thanks
Robert
rfka01 said:
Hello everybody,
I hope I can get my problem across:
I'm running my S2 on stock Android 4.04, not rooted.
After switching the phone on, I have access to the internet, and this is confirmed by the Edge/UMTS symbols witht the up/down arrows on the top of the screen.
As soon as I enter an area with a known WiFi connection (e.g. home ) the connection automatically switches over to WiFi.
Now for the problem:
After leaving home, the Edge/UMTS connection is not restored, I have to enter and leave flight mode automatically to get it back.
I had formerly installed Llama, but have removed it since, because I thought the problem was related to the program - behaviour has not changed.
I'd like the phone to switch automatically to the best available data connection.
Thanks
Robert
Click to expand...
Click to collapse
I'm having the same problem with an LG Optimus F6. Did you ever get this resolved with your phone?

[Q] Alcatel One Touch Evo 7

Hello,
I'm new to this forum. I have Alcatel One Touch Evo 7 tablet and after updating the software to newer version, it started having problems with the 3g modem - it can detect a network but it won't connect with any. Surrpisingly - whenever I connect with WIFI, the 3G or EDGE icon appears as well and it looks like I was connected to both WiFi and mobile network! I double checked the APN settings and it was working before - now it isn't... Is there some way to downgrade the software or flash it? I don't have a warranty for this tablet.
When you have active wireless connection, the "modem icon" only show signal strength, it's true that E or H depend on "what it hear" but that's all. So if modem get signal from umts it will show umts (even when he is unable to connect because of poor quality), because he thinks that he is connected to the GSM, but he is connected to net threw wireless. (like it have only one connection status for wireless and gsm)
And as for me, my evo7 behave the same way as yours when i have something wrong with APN, so my guess it that you have:
-apn or other settings problem
-signal strength - check your signal and other in settings
-hardware problem - maybe some interference with other components, like gps, wifi, ... (i have evo7 that have good gps but very poor gsm, and my friend bought evo7 that have GSM like a rock, hardly ever lose gsm network, but gps work like hell, sometimes never get fix or lose it all the time)
My question: How did you do software update? I somehow didn't find any room or how to do that.

S9+ showing "connected to WLAN, no internet"

So, I got my S9+ (international version, DUOS, 256 GB) last week from the Samsung store. I am on stock ROM (and will stay as long as my warranty lasts or someone finds a way to root with Knox 0x0, which I am not expecting).
At home, I have a WLAN Mesh (AVM Fritz!Box 6590 Cable, 2x AVM Fritz! 1750E Repeater on a wired connection), everything working great with any device.
Except my S9+. It connects and everything is fine, at some point - especially when using it for e.g. streaming Netflix or so - it will stay connected to the WLAN but will say "no internet access". Switching WLAN on and off fixes the issue until it happens the next time (minutes to hours later). I have no special settings, no neighbouring networks which would interfere. I have 2,4 and 5 GHz active and automatic channel selection. All other devices in my home work with no problems. I have found similar issues froim users on other Samsung phones (S6/7/8 series (my former S5 on Resurrection Remix Oreo does not show t his behaviour)), but no answers that worked (like forget the network, reboot and reenter credentials).
Quite annoying, anyone knows a fix? Big THANKS in advance.
No one experiencing the same thing or havin any ideas?
I have had the same issue in the beginning with the phone. I have a router with a cisco switch connected to it. The standard router's wifi wasn't sufficient in coverage through my house. I got hold of a cisco AP and connected it to the switch and disabled the wifi on the router. That's when my issue started. Fiddled around trying various options, but the one that worked for me was to tell the phone to forget my network, restart the phone and then "setup" the wifi on the phone again(password for wifi needed to be entered as it sees the network as a new one) Haven't had the issue after that. I did notice at my office that even though the wifi conection is good, that if it goes below a certain percentage, the mobile data will kick in, although I have that option switched off. I also picked up that if your line connection's speed goes very low for whatever reason, the same problem appears again that the phone assumes there is no internet
Thanks, this is what I've read from other threads (with S7, S8), too. But this didn't work for me. My repeaters get ther signal through LAN cable and I have a fast connection, coverage all over my house and garden. I really do not have an idea on what to try...

Question Failing to switch to cellular data with "Mobile data always active" switched off

If I go into developer settings and switch off Mobile data always active (in an attempt to save a little power when the phone is on Wifi), I find the phone often doesn't enable data when I leave Wifi. I have to cycle airplane mode to make it do it.
Anyone else finding the same bug? Or even using this setting?
I've had dropped connection issues since day 1, with airplane mode being the only way to restore my connection. And this was with Mobile Data always active set to on.
Who is your Carrier??
Have you noticed similar issues even with mobile data always active?
When I go to building with no cellular and come back outside. The phone doesn't automatically reconnect to cellular, leaving me with no service. What a strange bug.
JonnyTrulove said:
I've had dropped connection issues since day 1, with airplane mode being the only way to restore my connection. And this was with Mobile Data always active set to on.
Who is your Carrier??
Have you noticed similar issues even with mobile data always active?
Click to expand...
Click to collapse
EE in the UK. Works fine almost all the time so far if I keep mobile data active.
Vodafone Romania, toggled the setting off in dev options as soon as I got the phone. Data switching works fine still.
Try going into the testing menu (dialer code *#*#4636#*#*), select phone information, select 3dot menu on top right corner, try switching around between Europe and automatic. I'm my case ,selecting Europe presented various weird connection issues , biggest of which was that the phone refused to connect to LTE unless I used "automatic".

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